Patent US3177152A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3177152A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for the preparation of a molecular sieve-platinum catalyst

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-08-31
•
Granted: 1965-04-06
•
Expires: 1982-08-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Kenneth K Kearby

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:43
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/064; B01J29/068

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

CA620028A Cited
US2475155A Cited
US2967159A Cited
US2912300A Cited
US3013984A Cited
US3013987A Cited
US3086839A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-05 1968-10-05 1969-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-05 1972-10-05 1973-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-05 1976-10-05 1977-04-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag